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Chapter3Whenourgrandparentswereyoung一般现在时（thisyear）一般过去时（lastyear）is/am(人称单数)are(人称复数)cancan’twascould’twerecouldcolaChewinggumDidpeoplehavethesethingssixtyyearsago?MobilephoneFastfoodWasthereanyfastfoodwhenyouwereyoung?comicsAir-cons(airconditioner)clockCDsChewinggumMobilephonecolacomicsAir-cons(airconditioner)clockCDsfastfood•Wasthereanycolawhenyouwereyoung,Grandma?•Yes,therewas./No,therewasn't.•Werethereanycomicswhenyouwereyoung,Grandpa?Yes,therewere./No,thereweren't.Thankyou此课件下载可自行编辑修改，供参考！感谢您的支持，我们努力做得更好！